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"your session timed out" message when trying to modify room booking

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Old Aug 18, 2025 | 10:49 am
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"your session timed out" message when trying to modify room booking

Hello,

Recently whenever I am checking on existing award booking to see if the number of points required has changed, after clicking on the "Modify Booking" button, the screen immediately tells me " Your session has timed out". " please start another booking request."

Is this a new problem anyone else is seeing or am I just special!

Thanks for any replies,

Sorry I see this has already been raised in the IT thread. Should have looked first.

Mods, please feel free to delete or move to that thread,

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Old Aug 18, 2025 | 12:26 pm
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Originally Posted by tattikat2
Recently whenever I am checking on existing award booking to see if the number of points required has changed, after clicking on the "Modify Booking" button, the screen immediately tells me " Your session has timed out". " please start another booking request."
I've been getting the same error this month for some of my upcoming reservations, but not for all of them. I never figured out a pattern of what the failures had in common. These five upcoming stays involve five Marriott Bonvoy brands, two different years, two different continents, some point nights, and some paid nights.

I tried again just now. This time, I didn't get the error for any of them. Two of reservations would now still be the same cost. Three of them would cost more. So, of course, I didn't make any changes.



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Old Aug 18, 2025 | 1:06 pm
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It has been happening to me as well. I could not change 2 of my Rez recently,vso I cancelled both and booked with Hilton. I don't waste time with Marriott Website anymore. If it works great, if it doesn't I go to their competition.
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Old Aug 18, 2025 | 3:48 pm
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Earlier this year I had many reservations in several countries in Asia, and in a separate in several cities in US. When I found the rate/points had changed, I tried to modify. More than half of the time there were system errors. I ended up having to cancel and rebook.

Marriott IT has been flaky.
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Old Aug 18, 2025 | 5:33 pm
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This is a recent but not new issue. The workaround I posted in another thread was to make sure you start by viewing/modifying a reservation that is not at the top of your list and is preferably a cash (not points) reservation. After that things seem to work properly. I frankly don't know what I'd do with only one or two award reservations. Fortunately I have a Park 'n' Fly cash booking part way down the first page of reservations that clears the issue every time. It would be worth making a distant future cash reservation just to have this option.
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Old Aug 19, 2025 | 4:41 am
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echo this

Originally Posted by yscleo
Earlier this year , I tried to modify. More than half of the time there were system errors. I ended up having to cancel and rebook.

Marriott IT has been flaky.
Echo this, even tried the lame duck fix of another browser. IMO, those outsourced IT MBA's are probably tweaking the Revenue algorithm.
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Old Aug 19, 2025 | 5:42 am
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I am experiencing the same issue, but only when I try to modify a booking on Marriott.com. Using the app seems to work, as I was able to modify several bookings there without any error messages.
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Old Aug 19, 2025 | 11:03 am
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Originally Posted by Posco
I am experiencing the same issue, but only when I try to modify a booking on Marriott.com. Using the app seems to work, as I was able to modify several bookings there without any error messages.
Thanks for everyone replies.

When I went to the App. I couldn't see a way to "modify" a booking.

There's a heading on the screen that seems to show the link to "modify/cancel" but when I click it the only option is "cancel"

Is there another way to do it in the app?

Thanks,
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Old Aug 19, 2025 | 6:52 pm
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Originally Posted by tattikat2
Thanks for everyone replies.

When I went to the App. I couldn't see a way to "modify" a booking.

There's a heading on the screen that seems to show the link to "modify/cancel" but when I click it the only option is "cancel"

Is there another way to do it in the app?

Thanks,
App won't let you modify points reservations. It will only let you cancel them. Cash reservations can be both modified or cancelled in the app. To modify a points reservation, you have to use the website.

--Jon
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Old Aug 19, 2025 | 10:34 pm
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Originally Posted by Jon Maiman
App won't let you modify points reservations. It will only let you cancel them. Cash reservations can be both modified or cancelled in the app. To modify a points reservation, you have to use the website.

--Jon
Thanks for the reply.

Glad to know I wasn’t missing something.

So I took yyzflyer’s tip and made a cash booking for next year and it worked!

Thanks for that,

Much appreciated
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